diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_central/cc26xx/app/simple_central.c b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_central/cc26xx/app/simple_central.c
index 1a1fb45f6..54f318293 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_central/cc26xx/app/simple_central.c
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_central/cc26xx/app/simple_central.c
@@ -376,6 +376,7 @@ static bool doWrite = FALSE;
 
 // GATT read/write procedure state
 bool procedureInProgress = FALSE;
+bool uartProcedureInProgress = FALSE;
 
 // Maximum PDU size (default = 27 octets)
 static uint16_t maxPduSize;
@@ -671,7 +672,10 @@ static void SimpleBLECentral_taskFxn(UArg a0, UArg a1)
       SimpleBLECentral_startDiscovery();
     }
 
-    if (procedureInProgress == FALSE) {
+    if (uartProcedureInProgress == FALSE) {
+
+        PIN_setOutputValue(hKeyPins, PIN_MEM_TEST, 1);
+
         int rxBytes = UART_read(uart_handle, UART_rxBuf, 1);
 
         if (rxBytes) {
@@ -702,9 +706,12 @@ static void SimpleBLECentral_taskFxn(UArg a0, UArg a1)
     //
 
                 flag_notify(EVT_MEM_DECODE_INS);
-                procedureInProgress = TRUE;
+                uartProcedureInProgress = TRUE;
 
             }
+        } else {
+            PIN_setOutputValue(hKeyPins, PIN_MEM_TEST, 0);
+
         }
     }
 
@@ -906,7 +913,7 @@ static void SimpleBLECentral_processRoleEvent(gapCentralRoleEvent_t *pEvent)
 	    	  }
 	      }
 	    }
-	    procedureInProgress = FALSE;
+	    uartProcedureInProgress = FALSE;
       }
       break;
 
@@ -983,6 +990,7 @@ static void SimpleBLECentral_processRoleEvent(gapCentralRoleEvent_t *pEvent)
           state = BLE_STATE_CONNECTED;
           connHandle = pEvent->linkCmpl.connectionHandle;
           procedureInProgress = TRUE;
+          uartProcedureInProgress = TRUE;
 
           // If service discovery not performed initiate service discovery
           if (charHdl == 0)
@@ -1049,6 +1057,7 @@ static void SimpleBLECentral_processRoleEvent(gapCentralRoleEvent_t *pEvent)
         discState = BLE_DISC_STATE_IDLE;
         charHdl = 0;
         procedureInProgress = FALSE;
+        uartProcedureInProgress = FALSE;
 
         // Cancel RSSI reads
         SimpleBLECentral_CancelRssi(pEvent->linkTerminate.connectionHandle);
@@ -1108,7 +1117,8 @@ static void SimpleBLECentral_handleKeys(uint8_t shift, uint8_t keys)
 
 		    if(keys & KEY_UART_EN)
 		    {
-                flag_notify(EVT_MEM_DECODE_INS);
+//                flag_notify(EVT_MEM_DECODE_INS);
+                uartProcedureInProgress = FALSE;
 		    }
 
 #ifndef BOOSTXL_CC2650MA
@@ -1130,7 +1140,8 @@ static void SimpleBLECentral_handleKeys(uint8_t shift, uint8_t keys)
 
 		    if(keys & KEY_UART_EN)
 		    {
-                flag_notify(EVT_MEM_DECODE_INS);
+//                flag_notify(EVT_MEM_DECODE_INS);
+                uartProcedureInProgress = FALSE;
 		    }
 
 #ifndef BOOSTXL_CC2650MA
@@ -1198,7 +1209,8 @@ static void SimpleBLECentral_handleKeys(uint8_t shift, uint8_t keys)
             }
 
 		    if(keys & KEY_UART_EN){
-                flag_notify(EVT_MEM_DECODE_INS);
+//                flag_notify(EVT_MEM_DECODE_INS);
+                uartProcedureInProgress = FALSE;
 		    }
 
 #ifndef BOOSTXL_CC2650MA
@@ -1307,7 +1319,8 @@ static void SimpleBLECentral_handleKeys(uint8_t shift, uint8_t keys)
 
             if(keys & KEY_UART_EN)
             {
-                flag_notify(EVT_MEM_DECODE_INS);
+//                flag_notify(EVT_MEM_DECODE_INS);
+                uartProcedureInProgress = FALSE;
             }
 
 #ifndef BOOSTXL_CC2650MA
@@ -1602,7 +1615,8 @@ static void SimpleBLECentral_handleKeys(uint8_t shift, uint8_t keys)
 
             if(keys & KEY_UART_EN)
             {
-                flag_notify(EVT_MEM_DECODE_INS);
+//                flag_notify(EVT_MEM_DECODE_INS);
+                uartProcedureInProgress = FALSE;
             }
             break;
         }
@@ -1674,7 +1688,8 @@ static void SimpleBLECentral_processGATTMsg(gattMsgEvent_t *pMsg)
 //                mem_UART_newline();
 #endif
 			}
-//            procedureInProgress = FALSE;
+
+//			procedureInProgress = FALSE;
 		}
 		else if ((pMsg->method == ATT_WRITE_RSP)  ||
                 ((pMsg->method == ATT_ERROR_RSP)  &&
@@ -1751,7 +1766,7 @@ static void SimpleBLECentral_processGATTMsg(gattMsgEvent_t *pMsg)
     } // else - in case a GATT message came after a connection has dropped, ignore it.
 
 	// Needed only for ATT Protocol messages
-	procedureInProgress = FALSE;
+	uartProcedureInProgress = FALSE;
 	GATT_bm_free(&pMsg->msg, pMsg->method);
 }
 
@@ -2137,6 +2152,7 @@ static void SimpleBLECentral_processGATTDiscEvent(gattMsgEvent_t *pMsg)
             char ACK[10] = {4, scanRes, 4, 46, 80, 48, 4};
             UART_write(uart_handle, ACK, 10);
             procedureInProgress = FALSE;
+            uartProcedureInProgress = FALSE;
 #endif
 		}
 		discState = BLE_DISC_STATE_IDLE;